GPT-5.3-Codex helped debug and deploy parts of itself. Codex can be steered mid-task without losing context. "Underspecified" prompts now produce richer, more usable results. OpenAI today announced ...

OpenAI is retiring two of its older coding models from ChatGPT Codex next week. Thibault Sottiaux, OpenAI's engineering lead for Codex, announced on X that GPT-5.2 and GPT-5.3-Codex will be retired ...

OpenAI is pitching GPT-5.3-Codex as a long-running “agent,” not just a code helper: The company says the model combines GPT-5.2-Codex coding strength with GPT-5.2 reasoning and professional knowledge, ...

GPT-Rosalind drug discovery capabilities updated June 3 with three new benchmarks showing the domain-specialized model cuts ...

Released in April, GPT-5.5 Pro is the latest model powering ChatGPT. It’s available via OpenAI’s Pro plan (which costs ...

Last week, OpenAI published a paper detailing GPT-3, a machine learning model that achieves strong results on a number of natural language benchmarks. At 175 billion parameters, where a parameter ...

OpenAI is facing massive public backlash after it signed a deal with the Pentagon over the use of its technology in classified military operations. And one of the first customer-facing actions the ...

OpenAI is extending its cybersecurity-tuned frontier model, GPT-5.5-Cyber, to Europe under a newly announced EU Cyber Action ...

The new GPT-5.5 Instant model will replace GPT-3.5 Instant as the default model for ChatGPT ...

OpenAI has quietly shipped one of its most meaningful ChatGPT updates in a while. GPT-5.3 Instant isn’t a flashy new model with headline-grabbing benchmark scores. Instead, it fixes the everyday ...

The new GPT-3.5 Codex Spark AI model released by OpenAI, as overviewed by Prompt Engineering below. Is a specialized AI model designed for speed and efficiency in real-time coding and agentic tasks.